Kunz, R. M. (1971). The challenge of life. Switzerland: Basel and Stutgart.
シカゴスタイル引用形Kunz, Robert M. The Challenge of Life. Switzerland: Basel and Stutgart, 1971.
MLA引用形式Kunz, Robert M. The Challenge of Life. Switzerland: Basel and Stutgart, 1971.
警告: この引用は必ずしも正確ではありません.